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Finding the Fourth Proportional to 540,582.20, 810,863.06 and 161,504.03

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Solution

The fourth proportional to 540,582.20, 810,863.06 and 161,504.03 is: 242,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,582.20 : 810,863.06 = 161,504.03 : x
  2. Step 2: Convert to fraction form
    540,582.20/810,863.06 = 161,504.03/x
  3. Step 3: Cross multiply
    540,582.20x = 810,863.06 × 161,504.03
  4. Step 4: Simplify right side
    540,582.20x = 130,957,648,626.67
  5. Step 5: Solve for x
    x = 130,957,648,626.67/540,582.20
  6. Step 6: Final answer
    x = 242,252.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.